The typical approach has been to add more insulation thickness to the outside surface of the wall. In 1987, my wife and I purchased a one-story, 1,200-square-foot ranch with a basement in Appleton, Wisconsin. How much does it cost to perform a deep-energy retrofit at a 100-year-old single-family home? A pump in a sump at the low end of the basement could pump any accumulated water out if necessary (whatever its source). Okay, so now we were ready for really foaming the basement. Adding superinsulation to cavity walls, attics and ceilings. Deep Energy Retrofits Are Often Misguided All through the 1980s and 1990s, a small band of North American believers worked to maintain and expand our understanding of residential energy efficiency. Hot water needs are also of primary importance in the functioning of a home along with lighting and electric appliance use. Through a deep energy retrofit, annual reductions of 60% in energy use and 50% in water use were achieved. Deep energy retrofits from Ameresco allow organizations to contain energy costs and reduce emissions by improving existing systems, including weatherization, HVAC and plumbing and energy management. The basement slab had been poured directly onto clay without a gravel drainage base. “Remodel your house so that it uses dramatically less energy,” I’d proclaim. The house had a large patio door facing west and a bay window facing east, and only two windows on the south side. The idea was to create a drainage plain. Major limiting factors include complex projects, high costs, perceived risks, extensive disruption, and unfamiliar work scopes to some contractors. No, we haven’t seen any closed cell foam in the basement yet–but it’s coming in the next post. This extra thickness creates a challenge for integrating window and door flashing … While this is ideal for the summertime, maintaining a livable temperature indoors during Vermont winters was a challenge. Laying out the filter fabric wrapped, perimeter drain line which was installed deeper than what is shown here. The air is supplied to either end of each apartment, and is exhausted through the bathrooms–for a good mixing. What we learned from updating a 16-year-old deep-energy retrofit If she wants to have windows in her basement at a later time, they can always be cut out through the rigid and the spray foam from the outside. Foaming guy for the open cell spray foam at the attic and dormer rafters, HRV return run exhausting from the 3rd floor bathroom (supply runs are at the furthest ends, for good air mixing), After foam job in attic--buckets were to protect vents yet to be connected, Interior view of air bypass where sidewalls meet rafters. Thanks to a recent study in Utica, New York, we now know the answer: about $100,000. Cork This is one thing I don't think too many people would enjoy doing.

• Be able to identify pitfalls to pursuing deep energy retrofit technologies and strategies, Implementing Building Performance Standards: Consistency is Key. An investigation of the current building envelop will also show how moisture levels change in different parts of the house or building.

By Peter Yost and Martin Holladay By Cador Price-Jones “It’ll be more comfortable, and you can save money and the planet at the same time!” Ameresco provides an in-house engineering staff and construction management division staffed with project managers, design engineers, construction personnel and O&M and M&V personnel to support all aspects of a project.

We extended and retrofitted this semi-detached house in Dublin to an extremely high energy performance. Changes include an extreme insulation retrofit, a 6kW photovoltaic array installed on the roof, and an evacuated-tube solar hot water system.

In 2017, I used one of these innovations — continuous exterior insulation — to solve ice dam and heat loss issues of my seven-unit apartment building located in Pownal, Vermont. This involves some or all of the following: wall insulation, roof … A deep energy retrofit requires a good deal of planning and a review of all the different aspects of a house’s energy consumption. A deep retrofit takes a whole-house approach to energy in the home by looking at the overall effect of a combination of the most appropriate energy measures. This is no mean feat — there are only a handful of these projects in the entire Northwest. If you are looking for an index that spans all categories, with a special…, This is a list of the most important GBA articles on design. Recently, though, David Pill and his team at Pill-Maharam Architects, in Shelburne, Vermont, joined Conner & Buck Builders, of Bristol, to put the house through a deep-energy retrofit. Learn how to drive 30% or greater energy savings with National Grid and NBI . But with help from a dedicated team of experts and a generous budget, Bindley achieved her dream. What started out as a relatively straightforward re-siding project on this 80-year-old duplex in Arlington, Mass., ultimately evolved into part of an ambitious superinsulation pilot program for the Massachusetts Department of Energy Resources (DOER) and the regional utility company, NSTAR. The open cell in the ceiling will get the thermal barrier paint. Starting in the 1970s, following the first energy crisis, major weatherization programs were launched to tighten up American homes. Create a free website or blog at WordPress.com. He developed a spraying style that was kind of at an angle. by Joseph Lstiburek. I’m not sure the strategy really worked. In all fairness to the foaming guys, the HVAC fellows took a while, so the inside foaming also took a while to get started. • Understand opportunities to use deep energy retrofits to make non-energy improvements to buildings Its 2x4 walls were filled with 3 inches of fiberglass batting; the house had single-pane windows. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. Hot water needs are also of primary importance in the functioning of a home along with lighting and electric appliance use. A brief history of 711 North Black. With heating and cooling comes the moisture and ventilation management. The snow on my rooftop is melting much more slowly than that on on the other houses, since my house keeps the heat in! I don’t sit in a hotel room in Boston for two days in the middle of winter, just to have someone tell me how everything worked out just as they planned. Right now the big one (where a number of vents are gathered) acts like a trumpet, and Liane can hear music heralding community events such as 5K races–through her stove hood! This is great if you like wedding gowns, but ... But in this era of climate change, extreme weather, and biblical floods–even in Somerville–we decided that the responsible thing was indeed to install a perimeter drain. Before retrofit work began, Jane Bindley's 1978 ranch house on the shore of Squam Lake was an ordinary fiberglass-insulated energy hog. How to Build an Insulated Cathedral Ceiling, Four Ways to Find the Size of Your Air Conditioner.

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